Image: Indonesian Parrot Project [larger view].
Please name at least one field mark that supports your identification.
Rick Wright, Managing Director of WINGS Birding Tours Worldwide, writes:
Are these real birds? As anyone who has enjoyed a slow cruise along a South American river will attest, they are real — so real that they have been made the national bird of Guyana.
The mangrove thicket habitat is a good first clue, but we hardly need such subtle hints to identify these Hoatzins. The turkey-like tails, deep reddish wings, blond breasts and necks, blue faces, crazy crests, and altogether prehistoric appearance are utterly distinctive; in life, their noisy thrashing about is just as characteristic.
Hoatzins are famous for many reasons, but they are known principally, perhaps, for their vegetarian habits: they subsist almost entirely on leaves, which they digest in a series of “stomachs” like a mammalian ruminant. I’ve never been close enough to confirm it, but I’m told that areas frequented by Hoatzins can be identified with the olfactory faculty even before these great floppy creatures are seen.
Review all mystery birds to date.